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What is the GCF and LCM of 30 and 40?

Updated: 4/28/2022
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14y ago

Best Answer

30 = 3 x 10

40 = 4 x 10

The GCF of 30 and 40 is 10.

30 x 4 = 120

40 x 3 = 120

The LCM of 30 and 40 is 120.

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14y ago
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Q: What is the GCF and LCM of 30 and 40?
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